package Math;

import java.io.IOException;
import java.util.Random;

public class mathTest01 {
    public static void main(String[] args) throws IOException {
        /*Runtime r1 = Runtime.getRuntime();
        Runtime r2 = Runtime.getRuntime();*/
        //System.out.println(r1.availableProcessors());
        /*System.out.println(r1.maxMemory() / 1024 / 1024);
        System.out.println("已经获得");
        System.out.println(r1.totalMemory() / 1024 / 1024);
        System.out.println(r1.freeMemory() / 1024 / 1024);*/
        Random r = new Random();
        int i = r.nextInt();
        System.out.println(i);

    }
}
